The incorrect option regarding action and reaction pair is, they are equal and opposite, they act on two different bodies, they act only between bodies in contact, their sum on a body is zero, A person pushes a rigid wall with a force of 100N. The wall pushes the person with a force of, 0N, 100N, less than 100N, more than 100N, Which situation shows that friction is useful, writing on paper with pencil, tyres wearing out, heating of machine parts, wearing of shoe soles, When a 12N force acts on 3kg mass for a second, the change in velocity in m/s, 36, 4, 2, 18, If the velocity of a body becomes three times its original value,its momentum becomes, three times, two times, six times, nine times

How force affects motion

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